[TechAssist] Re: Toshiba M#32A42, no G2 voltage, intermittent

  • From: "John @ Myers TV" <myers_tv_b@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 17 May 2005 16:24:57 -0400

Thanks Bob,

I was hoping someone would talk me out of the IHVT.
But, just for conversations sake, the number on this flyback is the
TFB4172AH. That's what had me confused. No longer an issue, though.

Thanks,

John Myers
Myers TV Service Company
376 E. State St.
Alliance, OH 44601
Phone (Voice & Fax) (330) 821-6545
myers_tv_b@xxxxxxxxxxxxx
www.myerstv.net
----- Original Message ----- 
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 17, 2005 4:08 PM
Subject: [TechAssist] Re: Toshiba M#32A42, no G2 voltage, intermittent


> John,
> First I have seen this problem many times from different manufacturers and
> it was never the flyback that was bad. It was always a cap on the CRT
board
> for the G2 (ceramic disk). But just for the record, that model has a
summary
> manual that indicates the TFB4192AD is Toshiba part# 23236744 and is used
> for the 36A42 only. The main service manual for your model (32A42) is the
> 32A32 which indicates the correct flyback to be a TFB4192AS, Toshiba part
#
> 23236733.
>
> Bob Waterman, CET® #RI-28
> Master Technician License #9109
> Service Manager / Parts Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxx
>
>
> ----- Original Message ----- 
> From: "John @ Myers TV" <myers_tv_b@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, May 17, 2005 3:52 PM
> Subject: [TechAssist] Toshiba M#32A42, no G2 voltage, intermittent
>
>
> > Hi,
> >
> > This set came in with no Picture. The B+ voltage was 0V.
> > In testing, I unplugged the G2 from the CRT board, checked it, and
> > re-attached it. Now I have G2, and the picture is fine.
> >
> > Ordinarily, I'd just change the CRT socket, and be done with it, but
this
> > customer has been calling every day. Just to cover my backside, I'm
> thinking
> > about quoting on changing the IHVT as well.
> >
> > Here's the problem. There are two different flybacks for this set,
> depending
> > on the number on the part, neither of which matches the number on this
> > flyback.
> >
> > The number on the part is TFB4172AH.
> >
> > The type number in the descriptions in the parts list are TFB4172AD, &
> > TFB4172ZD
> >
> > Does anyone have an in with Toshiba, to see which flyback I need to use?
> >
> > Thanks,
> >
> > John Myers
> > Myers TV Service Company
> > 376 E. State St.
> > Alliance, OH 44601
> > Phone (Voice & Fax) (330) 821-6545
> > myers_tv_b@xxxxxxxxxxxxx
> > www.myerstv.net
> >
>
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